Home / 756,334.64-1,043,742.02-412,170.66

Finding the Fourth Proportional to 756,334.64, 1,043,742.02 and 412,170.66

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Solution

The fourth proportional to 756,334.64, 1,043,742.02 and 412,170.66 is: 568,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,334.64 : 1,043,742.02 = 412,170.66 : x
  2. Step 2: Convert to fraction form
    756,334.64/1,043,742.02 = 412,170.66/x
  3. Step 3: Cross multiply
    756,334.64x = 1,043,742.02 × 412,170.66
  4. Step 4: Simplify right side
    756,334.64x = 430,199,835,192.28
  5. Step 5: Solve for x
    x = 430,199,835,192.28/756,334.64
  6. Step 6: Final answer
    x = 568,795.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.